ATC code none CAS Number 1025097-10-2 UNII 2OEA2UN10Y Molar mass 585.55 g/mol | Legal status Investigational ChemSpider 30774277 Formula C29H29F2N3O8 | |
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Cadazolid is an experimental antibiotic of the oxazolidinone class made by Actelion Pharmaceuticals Ltd. which is effective against Clostridium difficile, a major cause of drug resistant diarrhea in the elderly. Current drug treatments for this infection involve orally delivered antibiotics, principally fidaxomicin, metronidazole and vancomycin; the last two drugs are the principal therapeutic agents in use, but fail in approximately 20 to 45% of the cases. The drug is in Phase III trials. The drug works by inhibiting synthesis of proteins in the bacteria, thus inhibiting the production of toxins and the formation of spores.
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Structure
The chemical structure of cadazolid combines the pharmacophores of oxazolidinone and fluoroquinolone.
Clinical trials
In a study published in the journal Anaerobe, cadazolid has been shown to be effective in vitro against 133 strains of Clostridium difficile all collected from Sweden.
In phase I tests, sixty four male patients reacted favourably to cadazolid which primarily acted and remained in the colon while displaying little toxicity even in regimes involving large doses.